mirror of
https://github.com/dborth/vbagx.git
synced 2024-11-01 00:15:10 +01:00
422 lines
9.0 KiB
C++
422 lines
9.0 KiB
C++
/****************************************************************************
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* Visual Boy Advance GX
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*
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* Tantric September 2008
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*
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* vbagx.cpp
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*
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* This file controls overall program flow. Most things start and end here!
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***************************************************************************/
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#include <gccore.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ogcsys.h>
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#include <unistd.h>
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#include <wiiuse/wpad.h>
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#include <sys/iosupport.h>
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#ifdef HW_RVL
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#include <di/di.h>
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#endif
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#include "vbagx.h"
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#include "vbasupport.h"
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#include "preferences.h"
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#include "audio.h"
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#include "networkop.h"
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#include "filebrowser.h"
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#include "fileop.h"
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#include "menu.h"
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#include "input.h"
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#include "video.h"
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#include "gamesettings.h"
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#include "mem2.h"
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#include "utils/FreeTypeGX.h"
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#include "vba/gba/Globals.h"
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#include "vba/gba/Sound.h"
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extern "C" {
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extern void __exception_setreload(int t);
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}
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extern int emulating;
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void StopColorizing();
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void gbSetPalette(u32 RRGGBB[]);
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int ScreenshotRequested = 0;
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int ConfigRequested = 0;
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int ShutdownRequested = 0;
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int ResetRequested = 0;
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int ExitRequested = 0;
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char appPath[1024] = { 0 };
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char loadedFile[1024] = { 0 };
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/****************************************************************************
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* Shutdown / Reboot / Exit
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***************************************************************************/
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static void ExitCleanup()
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{
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ShutdownAudio();
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StopGX();
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HaltDeviceThread();
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UnmountAllFAT();
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#ifdef HW_RVL
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DI_Close();
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#endif
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}
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#ifdef HW_DOL
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#define PSOSDLOADID 0x7c6000a6
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int *psoid = (int *) 0x80001800;
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void (*PSOReload) () = (void (*)()) 0x80001800;
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#endif
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void ExitApp()
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{
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#ifdef HW_RVL
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ShutoffRumble();
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#endif
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SavePrefs(SILENT);
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if (ROMLoaded && !ConfigRequested && GCSettings.AutoSave == 1)
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SaveBatteryOrStateAuto(FILE_SRAM, SILENT);
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ExitCleanup();
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if(ShutdownRequested)
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SYS_ResetSystem(SYS_POWEROFF, 0, 0);
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#ifdef HW_RVL
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if(GCSettings.ExitAction == 0) // Auto
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{
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char * sig = (char *)0x80001804;
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if(
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sig[0] == 'S' &&
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sig[1] == 'T' &&
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sig[2] == 'U' &&
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sig[3] == 'B' &&
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sig[4] == 'H' &&
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sig[5] == 'A' &&
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sig[6] == 'X' &&
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sig[7] == 'X')
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GCSettings.ExitAction = 3; // Exit to HBC
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else
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GCSettings.ExitAction = 1; // HBC not found
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}
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#endif
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if(GCSettings.ExitAction == 1) // Exit to Menu
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{
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#ifdef HW_RVL
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SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);
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#else
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#define SOFTRESET_ADR ((volatile u32*)0xCC003024)
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*SOFTRESET_ADR = 0x00000000;
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#endif
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}
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else if(GCSettings.ExitAction == 2) // Shutdown Wii
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{
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SYS_ResetSystem(SYS_POWEROFF, 0, 0);
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}
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else // Exit to Loader
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{
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#ifdef HW_RVL
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exit(0);
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#else
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if (psoid[0] == PSOSDLOADID)
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PSOReload();
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#endif
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}
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}
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#ifdef HW_RVL
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void ShutdownCB()
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{
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ShutdownRequested = 1;
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}
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void ResetCB()
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{
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ResetRequested = 1;
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}
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#endif
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#ifdef HW_DOL
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/****************************************************************************
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* ipl_set_config
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* lowlevel Qoob Modchip disable
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***************************************************************************/
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static void ipl_set_config(unsigned char c)
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{
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volatile unsigned long* exi = (volatile unsigned long*)0xCC006800;
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unsigned long val,addr;
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addr=0xc0000000;
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val = c << 24;
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exi[0] = ((((exi[0]) & 0x405) | 256) | 48); //select IPL
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//write addr of IPL
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exi[0 * 5 + 4] = addr;
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exi[0 * 5 + 3] = ((4 - 1) << 4) | (1 << 2) | 1;
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while (exi[0 * 5 + 3] & 1);
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//write the ipl we want to send
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exi[0 * 5 + 4] = val;
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exi[0 * 5 + 3] = ((4 - 1) << 4) | (1 << 2) | 1;
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while (exi[0 * 5 + 3] & 1);
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exi[0] &= 0x405; //deselect IPL
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}
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#endif
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/****************************************************************************
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* IOS Check
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***************************************************************************/
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#ifdef HW_RVL
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bool SupportedIOS(u32 ios)
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{
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if(ios == 58 || ios == 61)
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return true;
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return false;
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}
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bool SaneIOS(u32 ios)
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{
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bool res = false;
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u32 num_titles=0;
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u32 tmd_size;
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if(ios > 200)
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return false;
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if (ES_GetNumTitles(&num_titles) < 0)
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return false;
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if(num_titles < 1)
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return false;
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u64 *titles = (u64 *)memalign(32, num_titles * sizeof(u64) + 32);
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if(!titles)
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return false;
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if (ES_GetTitles(titles, num_titles) < 0)
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{
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free(titles);
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return false;
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}
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u32 *tmdbuffer = (u32 *)memalign(32, MAX_SIGNED_TMD_SIZE);
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if(!tmdbuffer)
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{
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free(titles);
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return false;
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}
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for(u32 n=0; n < num_titles; n++)
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{
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if((titles[n] & 0xFFFFFFFF) != ios)
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continue;
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if (ES_GetStoredTMDSize(titles[n], &tmd_size) < 0)
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break;
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if (tmd_size > 4096)
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break;
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if (ES_GetStoredTMD(titles[n], (signed_blob *)tmdbuffer, tmd_size) < 0)
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break;
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if (tmdbuffer[1] || tmdbuffer[2])
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{
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res = true;
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break;
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}
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}
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free(tmdbuffer);
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free(titles);
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return res;
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}
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#endif
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/****************************************************************************
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* USB Gecko Debugging
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***************************************************************************/
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static bool gecko = false;
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static mutex_t gecko_mutex = 0;
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static ssize_t __out_write(struct _reent *r, int fd, const char *ptr, size_t len)
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{
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u32 level;
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if (!ptr || len <= 0 || !gecko)
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return -1;
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LWP_MutexLock(gecko_mutex);
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level = IRQ_Disable();
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usb_sendbuffer(1, ptr, len);
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IRQ_Restore(level);
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LWP_MutexUnlock(gecko_mutex);
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return len;
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}
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const devoptab_t gecko_out = {
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"stdout", // device name
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0, // size of file structure
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NULL, // device open
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NULL, // device close
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__out_write,// device write
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NULL, // device read
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NULL, // device seek
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NULL, // device fstat
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NULL, // device stat
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NULL, // device link
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NULL, // device unlink
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NULL, // device chdir
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NULL, // device rename
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NULL, // device mkdir
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0, // dirStateSize
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NULL, // device diropen_r
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NULL, // device dirreset_r
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NULL, // device dirnext_r
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NULL, // device dirclose_r
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NULL // device statvfs_r
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};
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void USBGeckoOutput()
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{
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LWP_MutexInit(&gecko_mutex, false);
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gecko = usb_isgeckoalive(1);
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devoptab_list[STD_OUT] = &gecko_out;
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devoptab_list[STD_ERR] = &gecko_out;
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}
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/****************************************************************************
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* main
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*
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* Program entry
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****************************************************************************/
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int main(int argc, char *argv[])
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{
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#ifdef HW_RVL
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u32 ios = IOS_GetVersion();
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if(!SupportedIOS(ios))
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{
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s32 preferred = IOS_GetPreferredVersion();
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if(SupportedIOS(preferred))
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IOS_ReloadIOS(preferred);
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}
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#endif
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//USBGeckoOutput(); // uncomment to enable USB gecko output
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__exception_setreload(8);
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#ifdef HW_DOL
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ipl_set_config(6); // disable Qoob modchip
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#endif
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#ifdef HW_RVL
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StartNetworkThread();
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DI_Init();
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#endif
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InitDeviceThread();
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InitializeVideo();
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ResetVideo_Menu (); // change to menu video mode
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SetupPads();
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// Initialize DVD subsystem (GameCube only)
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#ifdef HW_DOL
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DVD_Init ();
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#endif
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#ifdef HW_RVL
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// Wii Power/Reset buttons
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WPAD_SetPowerButtonCallback((WPADShutdownCallback)ShutdownCB);
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SYS_SetPowerCallback(ShutdownCB);
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SYS_SetResetCallback(ResetCB);
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#endif
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MountAllFAT(); // Initialize libFAT for SD and USB
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InitialiseSound();
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InitialisePalette();
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DefaultSettings (); // Set defaults
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InitFreeType((u8*)font_ttf, font_ttf_size); // Initialize font system
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#ifdef HW_RVL
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if(argc > 0 && argv[0] != NULL)
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CreateAppPath(argv[0]); // store path app was loaded from
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InitMem2Manager();
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savebuffer = (unsigned char *)mem2_malloc(SAVEBUFFERSIZE);
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browserList = (BROWSERENTRY *)mem2_malloc(sizeof(BROWSERENTRY)*MAX_BROWSER_SIZE);
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rom = (u8 *)mem2_malloc(1024*1024*32); // allocate 32 MB to GBA ROM
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#else
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savebuffer = (unsigned char *)malloc(SAVEBUFFERSIZE);
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browserList = (BROWSERENTRY *)malloc(sizeof(BROWSERENTRY)*MAX_BROWSER_SIZE);
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#endif
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gameScreenPng = (u8 *)malloc(512*1024);
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InitGUIThreads();
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while(1) // main loop
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{
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// go back to checking if devices were inserted/removed
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// since we're entering the menu
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ResumeDeviceThread();
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SwitchAudioMode(1);
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if(!ROMLoaded)
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MainMenu(MENU_GAMESELECTION);
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else
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MainMenu(MENU_GAME);
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ConfigRequested = 0;
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ScreenshotRequested = 0;
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SwitchAudioMode(0);
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// stop checking if devices were removed/inserted
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// since we're starting emulation again
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HaltDeviceThread();
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ResetVideo_Emu();
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// GB colorizing - set palette
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if(IsGameboyGame())
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{
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if(GCSettings.colorize && strcmp(RomTitle, "MEGAMAN") != 0)
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gbSetPalette(CurrentPalette.palette);
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else
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StopColorizing();
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}
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while (emulating) // emulation loop
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{
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emulator.emuMain(emulator.emuCount);
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if(ResetRequested)
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{
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emulator.emuReset(); // reset game
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ResetRequested = 0;
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}
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if(ConfigRequested)
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{
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ResetVideo_Menu();
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break; // leave emulation loop
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}
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#ifdef HW_RVL
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if(ShutdownRequested)
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ExitApp();
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#endif
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} // emulation loop
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} // main loop
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return 0;
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}
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